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https://issues.apache.org/jira/browse/MAPREDUCE-2374?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13506026#comment-13506026
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Marc Reichman commented on MAPREDUCE-2374:
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Matt,
Thank you for your response. I will be able to move to 1.1.x. I was hoping to
not have to move to 2.x soon. Does 1.1 move to stable when 1.2 gets released
(beta?) in December?
I apologize for the improper forum for these questions.
Thanks,
Marc
> "Text File Busy" errors launching MR tasks
> ------------------------------------------
>
> Key: MAPREDUCE-2374
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2374
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 0.22.0
> Reporter: Todd Lipcon
> Assignee: Andy Isaacson
> Fix For: 0.23.3, 2.0.2-alpha
>
> Attachments: failed_taskjvmsh.strace, mapreduce-2374-2.txt,
> mapreduce-2374-branch-1.patch, mapreduce-2374-on-20sec.txt,
> mapreduce-2374.txt, mapreduce-2374.txt, mapreduce-2374.txt,
> successfull_taskjvmsh.strace
>
>
> Some very small percentage of tasks fail with a "Text file busy" error.
> The following was the original diagnosis:
> {quote}
> Our use of PrintWriter in TaskController.writeCommand is unsafe, since that
> class swallows all IO exceptions. We're not currently checking for errors,
> which I'm seeing result in occasional task failures with the message "Text
> file busy" - assumedly because the close() call is failing silently for some
> reason.
> {quote}
> .. but turned out to be another issue as well (see below)
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